How to Cite This Chapter: Don-Wauchope A, Chetty VT, Ivica J, Kavsak P, Khan WI, Lafreniere M, Nouri K, Solnica B. Reticulocyte Count. McMaster Textbook of Internal Medicine. Kraków: Medycyna Praktyczna. https://empendium.com/mcmtextbook/chapter/B31.1269.3.7.27.9. Accessed November 21, 2024.
Last Updated: May 9, 2022
Last Reviewed: May 9, 2022
Chapter Information
McMaster Textbook of Internal Medicine Editorial Offices
Editorial Office (Canada)
Authors: Andrew Don-Wauchope, Vasudhevan T. Chetty, Joško Ivica, Peter Kavsak, Waliul I. Khan, Matthew Lafreniere, Kazem Nouri
Editorial Office (Poland)
Authors: Bogdan Solnica
For a brief introduction and guide to abbreviations, see Laboratory Tests: General Remarks.
Analyte [material]
Reticulocyte count
Reference range, target level, or decision threshold
20,000-100,000/microL (20-100 Giga/L)
0.5%-1.5%, ie, 5‰-15‰ of erythrocytes
Interpretation of results
↑ Hemolytic and acute posthemorrhagic anemias, supplementation after treatment (iron, folic acid, vitamin B12, erythropoiesis-stimulating agents, after hematopoietic stem cell transplant), after splenectomy
↓ Severe anemia due to decreased erythropoiesis in bone marrow, particularly aplastic anemias and aplastic crises in hemolytic anemias